Marcel Ulrich Ahrens

PhD Candidate

Department of Energy and Process Engineering

marcel.u.ahrens@ntnu.no

Varmeteknisk, 248, Gløshaugen

marcel.u.ahrens@ntnu.no

High Temperature Heat Pumps

Hybrid Heat Pumps

Ammonia-water absoprtion/compression cycles

Scientific, academic and artistic work

Journal publications

Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne. (2019) SLETTES Compressors for ammonia-water hybrid absorption-compression heat pumps. Science et technique du froid. vol. 2019-April.

Part of book/report

Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne. (2019) Compressors for ammonia-water hybrid absorption-compression heat pumps. 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings.
Bantle, Michael; Schlemminger, Christian; Ahrens, Marcel Ulrich; Evenmo, Kjetil. (2018) Kennfeld und Leistungsanalyse einer zweistufigen Turbokompressor-Brüdenverdichtung. DKV-Tagungsbericht 2018 Aachen, 21. – 23. November 2018.
Bantle, Michael; Schlemminger, Christian; Tolstorebrov, Ignat; Ahrens, Marcel Ulrich; Evenmo, Kjetil. (2018) Performance evaluation of two-stage mechanical vapour recompression with turbo-compressors. Proceedings of the 13th IIR Gustav Lorentzen Conference, Valencia, 2018.

Report/dissertation

Ahrens, Marcel Ulrich; Bantle, Michael. (2018) Experimental and numerical analysis of a two-stage turbo compressor system for industrial superheated steam drying. 2018.

Links